# Power adapter/inverter Mean Well SPBW03G-12, 3 W, input 18–75 V, output 12 V

**URL:** https://aio.lv/en/product--mean-well-spbw03g-12--3889943
**Data updated:** 2026-03-27 13:21 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** SPBW03G-12
**EAN:** 4021087040938
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-spbw03g-12--3889943

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

Mean Well SPBW03G-12 is a compact 3 W power adapter/inverter with wide input range 18–75 V and fixed 12 V output, designed for low-power DC applications. Provides regulated 3 W output for small electronics, embedded systems, sensors and industrial controls. RoHS-compliant and supplied in bulk quantity packs for production use.

## Long description

Mean Well SPBW03G-12 is a compact DC-DC converter designed for PCB mounting in SIP through-hole format. The module accepts a wide input voltage range from 18 V to 75 V DC and delivers a regulated single 12 V DC output at up to 0.25 A (3 W). Intended for low-power embedded systems and industrial control circuits, this converter is RoHS-compliant and supplied in bulk packs suitable for production environments.
Advantages
The SPBW03G-12 provides a stable 12 V output across a broad input range, enabling reliable operation in applications with variable supply voltages. Its SIP through-hole package simplifies PCB assembly and mechanical mounting, while the small physical size conserves board space. With regulated output and protection features typical for Mean Well converters, it supports consistent performance for small electronics and sensor interfaces.
Suitable for
Embedded systems and microcontroller boards requiring 12 V rail
Industrial control circuits and measurement instruments
Sensor interfaces and low-power data acquisition modules
Small electronics and accessory power supplies on PCBs
Key specifications
Type: DC-DC converter, PCB mount
Package: SIP through-hole
Input voltage range: 18–75 V DC
Output voltage: 12 V DC (fixed)
Output current: up to 0.25 A (3 W maximum)
Efficiency: typical for low-power switching converters (refer to manufacturer datasheet)
Compliance: RoHS
How to use
Install the converter on the PCB using the SIP through-hole pins and ensure correct polarity for input and output connections. Provide appropriate input filtering and decoupling on the board according to the application’s noise and transient requirements. Verify thermal conditions and ensure adequate spacing or airflow if the converter operates near its maximum power rating. Follow the manufacturer’s recommended application circuit and layout guidelines for reliable operation.
Usage recommendations
For stable long-term operation, avoid continuous operation at the maximum rated current and ensure the input voltage stays within the specified 18–75 V range. Use proper PCB layout and grounding practices and consult the Mean Well datasheet for detailed electrical characteristics, recommended capacitors, and thermal management instructions.

## Specifications

| Feature | Value |
|---|---|
| Input voltage | 18 - 75 |
| Output voltage | 12 |
| Output current | 0.25 A |
| Output power | 3 W |

### Technical details

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 2576 pc(s) |

## FAQ

### How much does the Power adapter Mean Well SPBW03G-12 3 W cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All mean well products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized mean well service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for Power adapter Mean Well SPBW03G-12 3 W?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/3889943/58586287_large.webp